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| No.9657598
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Information Name: | JCZ5-12J/160 |
Published: | 2013-06-29 |
Validity: | 365 |
Specifications: | JCZ5-12J/160 |
Quantity: | 1000.00 |
Price Description: | |
Detailed Product Description: | Order by phone 0577 -62906628 -62767956 Fax :0577 offer mobile handsets: 1820587754724 hour online QQ: 491115852 Contact: Mr. Huang Address: Wenzhou Yueqing City Industrial Zone Wengyang salt pans vacuum contactors, AC vacuum contactor is suitable for AC 50HZ , rated working voltage up to 1140V, rated current 125-400A of the electricity networks for direct or remote making and breaking the main circuits. Because the main contact in a high vacuum environment, thus living there arc is not exposed, small size, light weight, long life, long maintenance cycle, etc., especially suitable for the composition of a variety of lamp controller and working in the oilfield, chemical and other occasions . A vacuum contactors, AC vacuum contactor working conditions 1. Height of not more than 2000 meters above sea level. 2. Ambient air temperature: -25 ~ +40 ℃. 3. Relative humidity: ambient air temperature of +25 ℃ less than 50%, at lower temperatures can have a higher relative humidity. Wettest months the average temperature is +25 ℃, the monthly average maximum relative humidity of 90%. 4. Mounting surface and the vertical gradient of not more than 15 °. Installation category is usually the type Ⅲ. 5. Environmental pollution degree 3. 6. Vibration not more than 30 m / s field. , [Vacuum contactors, AC vacuum contactor] structure and working principle contacts from the vacuum switch tube, insulated frame, boom, magnetic cage, electromagnetic operating mechanism and fairing components. Electromagnetic operating mechanism made of the core, the coil, the magnetic pole plate, the armature plate, shaft, arm and other components. Static conductive plate vacuum switch tube by screws fixed to the insulating frame, insulation around the frame and the support plate and support bracket with screws magnetic coupling. When the coil is energized, the armature pull, driven boom and move the guide rod, so that the vacuum switch moving contact sport, in contact with the fixed contact, the contact in the closed state. When the coil power, under the action of the reaction force spring armature plate release, static and dynamic contact separation to make contacts in the switching status. Electromagnetic operating mechanism made of the core, the coil, the magnetic pole plate, the armature plate, shaft, arm and other components. Auxiliary contacts at one end of the armature plate, driven by the armature moves up and down movement of auxiliary contacts. Four, [vacuum contactors, AC vacuum contactor] installation, adjustment and replacement of days off tube 1. ⑴ installation should be checked before installing the mounting surface, the mounting surface is not flat gaskets adjusted. ⑵ with screw and lock washer will contactor mounting plate. ⑶ connect the main circuit inlet and outlet, the AC power cord is connected to the control terminals and connect the ground wire. 2. Adjust When the contact parameters do not meet the requirements or needs replacing vacuum switch tube be adjusted as follows: ⑴ spherical joints loosen the lock nut. ⑵ rotating spherical joint flanges, just off the contacts (low resistivity profiles measured with a multimeter) and repeatedly adjusted so that the three consistent. ⑶ clockwise spherical joints to the flange, so that open distance up to standard requirements. ⑷ Tighten flange nut moving. Since the structure size guarantees overtravel no longer adjusted. ⒊ replace the vacuum switch tube when the vacuum drop or other reasons, the need to replace damaged vacuum switch. ⑴ When the static and dynamic contact separation state, with 2500V megger between static and dynamic contact resistance of less than 60 megohms insulation should be replaced with a vacuum switch tube. ⑵ Loosen the main circuit cable screw connection and soft, soft disengaged join line. ⑶ Unscrew static conductive plate insulated box screws. ⑷ to move the pin end of the compression spring contacts turn 90 degrees. ⑸ Remove the vacuum switch tube assembly. ⑹ Remove spherical joint assembly, and remove the switch. ⑺ will be for the vacuum switch tube attached to the above in reverse order on the contactor. Tighten locknut, be careful not to twist the bellows in the state. After replacing the switch to re-adjust the open distance. 5, [vacuum contactors, AC vacuum contactor] use and maintenance of a. Contactors working voltage and current should not exceed the rating (control circuit diagram shown in figure IV, figure 5). 2. For the new vacuum switch tube to check in advance of its vacuum. Requires 10-2 Pa (10-4 Torr) or more. Frequency voltage method to check availability: contact spacing within the requirements of the standard, requiring more pressure 8KV (After three tests, does not allow a continuous breakdown or flashover). 3. Usually recommended 2500V megger checks. When the insulation resistance is less than 100M should strengthen surveillance. Should be replaced when the vacuum is less than 60M open tube. Inspection should distinguish between the ceramic surface moisture or other causes degradation of insulation. 4. In a small load inductive load using a vacuum contactor, recommended that with RC RC absorber box, access the main circuit contactor load side. 5. Where one of the following conditions for a comprehensive response to the contactor inspection and adjustment. ⑴ yearly routine inspection and cleaning work. ⑵ action after ten thousand times. ⑶ vacuum switch tube is damaged. Inspection and adjustment of content: ⑴ vacuum switch vacuum. Available frequency test method. ⑵ auxiliary contacts contacts contact case. Poor contact to exchange a new contact or to repair. ⑶ check opening distance and three synchronization. ⑷ whether all nuts and bolts loose. There are no moving parts stuck phenomenon. ⑸ insulation level check with tester or 2500V megger. 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Copyright © GuangDong ICP No. 10089450, Yueqing City Fit Electrical Sales Headquarters All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
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You are the 10257 visitor
Copyright © GuangDong ICP No. 10089450, Yueqing City Fit Electrical Sales Headquarters All rights reserved.
Technical support: ShenZhen AllWays Technology Development Co., Ltd.
AllSources Network's Disclaimer: The legitimacy of the enterprise information does not undertake any guarantee responsibility